Github user joshelser commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/16#discussion_r18073482
--- Diff: test/src/test/java/org/apache/accumulo/test/VolumeChooserIT.java
---
@@ -0,0 +1,670 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.accumulo.test;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.SortedSet;
+import java.util.TreeSet;
+import java.util.Map.Entry;
+
+import org.apache.accumulo.core.client.BatchWriter;
+import org.apache.accumulo.core.client.BatchWriterConfig;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.client.admin.TimeType;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.data.Range;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import
org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.DataFileColumnFamily;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
+import org.apache.accumulo.test.functional.ConfigurableMacIT;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.RawLocalFileSystem;
+import org.apache.hadoop.io.Text;
+import org.junit.Test;
+
+/**
+ *
+ */
+public class VolumeChooserIT extends ConfigurableMacIT {
+
+ private static final Text EMPTY = new Text();
+ private static final Value EMPTY_VALUE = new Value(new byte[] {});
+ private File volDirBase;
+ private Path v1, v2, v3, v4;
+
+ @Override
+ public void configure(MiniAccumuloConfigImpl cfg, Configuration
hadoopCoreSite) {
+ // Get 2 tablet servers
+ cfg.setNumTservers(2);
+
+ // Set the general volume chooser to the GeneralVolumeChooser so that
different choosers can be specified
+ Map<String,String> siteConfig = new HashMap<String,String>();
+ siteConfig.put(Property.GENERAL_VOLUME_CHOOSER.getKey(),
org.apache.accumulo.server.fs.GeneralVolumeChooser.class.getName());
+ cfg.setSiteConfig(siteConfig);
+
+ // Set up 4 different volume paths
+ File baseDir = cfg.getDir();
+ volDirBase = new File(baseDir, "volumes");
+ File v1f = new File(volDirBase, "v1");
+ File v2f = new File(volDirBase, "v2");
+ File v3f = new File(volDirBase, "v3");
+ File v4f = new File(volDirBase, "v4");
+ v1f.mkdir();
+ v2f.mkdir();
+ v4f.mkdir();
+ v1 = new Path("file://" + v1f.getAbsolutePath());
+ v2 = new Path("file://" + v2f.getAbsolutePath());
+ v3 = new Path("file://" + v3f.getAbsolutePath());
+ v4 = new Path("file://" + v4f.getAbsolutePath());
+
+ // Only add volumes 1, 2, and 4 to the list of instance volumes to
have one volume that isn't in the options list when they are choosing
+ cfg.setProperty(Property.INSTANCE_VOLUMES, v1.toString() + "," +
v2.toString() + "," + v4.toString());
+
+ // use raw local file system so walogs sync and flush will work
+ hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName());
+
+ super.configure(cfg, hadoopCoreSite);
+
+ }
+
+ // Test that uses two tables with 10 split points each. They each use
the StaticVolumeChooser to choose volumes.
+ @Test(timeout = 60 * 1000)
+ public void twoTablesStaticVolumeChooser() throws Exception {
+ log.info("Starting StaticVolumeChooser");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.StaticVolumeChooser";
+ properties.put(propertyName, volume);
+
+ propertyName = "table.custom.preferredVolumes";
+ volume = v2.toString();
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ SortedSet<Text> partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the Volumes specified
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ assertTrue(inV2);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+
+ // Replace the current preferredVolumes property for table 2
+ properties.remove("table.custom.preferredVolumes");
+ propertyName = "table.custom.preferredVolumes";
+ volume = v1.toString();
+ properties.put(propertyName, volume);
+
+ // Create table 2 with the new properties
+ String tableName2 = getUniqueNames(2)[1];
+ connector.tableOperations().create(tableName2, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName2, partitions);
+ // Write some data to the table
+ bw = connector.createBatchWriter(tableName2, new BatchWriterConfig());
+ rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName2, null, null, true);
+ scanner = connector.createScanner(tableName2, Authorizations.EMPTY);
+ i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the different volumes
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("2", "2<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ assertTrue(inV1);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses two tables with 10 split points each. They each use
the RandomVolumeChooser to choose volumes.
+ @Test(timeout = 60 * 1000)
+ public void twoTablesRandomVolumeChooser() throws Exception {
+ log.info("Starting RandomVolumeChooser");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.RandomVolumeChooser";
+ properties.put(propertyName, volume);
+
+ propertyName = "table.custom.preferredVolumes";
+ volume = v1.toString() + "," + v2.toString() + "," + v3.toString();
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ SortedSet<Text> partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the Volumes specified
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ assertTrue(inV1 || inV2);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+
+ // Replace the current preferredVolumes property for table 2
+ properties.remove("table.custom.preferredVolumes");
+ propertyName = "table.custom.preferredVolumes";
+ volume = v1.toString();
+ properties.put(propertyName, volume);
+
+ // Create table 2 with the new properties
+ String tableName2 = getUniqueNames(2)[1];
+ connector.tableOperations().create(tableName2, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName2, partitions);
+ // Write some data to the table
+ bw = connector.createBatchWriter(tableName2, new BatchWriterConfig());
+ rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName2, null, null, true);
+ scanner = connector.createScanner(tableName2, Authorizations.EMPTY);
+ i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the different volumes
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("2", "2<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ assertTrue(inV1);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses two tables with 10 split points each. The first uses
the RandomVolumeChooser and the second uses the
+ // StaticVolumeChooser to choose volumes.
+ @Test(timeout = 60 * 1000)
+ public void twoTablesDiffChoosers() throws Exception {
+ log.info("Starting twoTablesDiffChoosers");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.RandomVolumeChooser";
+ properties.put(propertyName, volume);
+
+ propertyName = "table.custom.preferredVolumes";
+ volume = v1.toString() + "," + v2.toString() + "," + v3.toString();
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+ SortedSet<Text> partitions = new TreeSet<Text>();
+
+ // Add 10 splits to the table
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+ // Verify the new files are written to the different volumes
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ assertTrue(inV1 || inV2);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+
+ // Replace the current chooser preferredVolumes property for table 2
+ properties.remove("table.custom.chooser");
+ propertyName = "table.custom.chooser";
+ volume = "org.apache.accumulo.server.fs.StaticVolumeChooser";
+ properties.put(propertyName, volume);
+
+ properties.remove("table.custom.preferredVolumes");
+ propertyName = "table.custom.preferredVolumes";
+ volume = v1.toString();
+ properties.put(propertyName, volume);
+
+ // Create table 2 with the new properties
+ String tableName2 = getUniqueNames(2)[1];
+ connector.tableOperations().create(tableName2, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName2, partitions);
+ // Write some data to the table
+ bw = connector.createBatchWriter(tableName2, new BatchWriterConfig());
+ rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName2, null, null, true);
+ scanner = connector.createScanner(tableName2, Authorizations.EMPTY);
+ i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+ // Verify the new files are written to the different volumes
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("2", "2<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ assertTrue(inV1);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses one table with 10 split points each. It uses the
StaticVolumeChooser, but no preferred volume is specified. This means that the
volume
+ // is chosen randomly from all instance volumes.
+ @Test(timeout = 60 * 1000)
+ public void missingVolumeStaticVolumeChooser() throws Exception {
+ log.info("Starting missingVolumeStaticVolumeChooser");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.StaticVolumeChooser";
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ SortedSet<Text> partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the Volumes specified
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ boolean inV4 =
entry.getKey().getColumnQualifier().toString().contains(v4.toString());
+ assertTrue(inV1 || inV2 || inV4);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses one table with 10 split points each. It uses the
RandomVolumeChooser, but no preferred volume is specified. This means that the
volume
+ // is chosen randomly from all instance volumes.
+ @Test(timeout = 60 * 1000)
+ public void missingVolumeRandomVolumeChooser() throws Exception {
+ log.info("Starting missingVolumeRandomVolumeChooser");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.RandomVolumeChooser";
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ SortedSet<Text> partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the Volumes specified
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ boolean inV4 =
entry.getKey().getColumnQualifier().toString().contains(v4.toString());
+ assertTrue(inV1 || inV2 || inV4);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses one table with 10 split points each. It uses the
StaticVolumeChooser, but preferred volume is not an instance volume. This means
that the
+ // volume is chosen randomly from all instance volumes.
+ @Test(timeout = 60 * 1000)
+ public void notInstanceStaticVolumeChooser() throws Exception {
+ log.info("Starting notInstanceStaticVolumeChooser");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.StaticVolumeChooser";
+ properties.put(propertyName, volume);
+
+ properties.remove("table.custom.preferredVolumes");
+ propertyName = "table.custom.preferredVolumes";
+ volume = v3.toString();
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ SortedSet<Text> partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the Volumes specified
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ boolean inV4 =
entry.getKey().getColumnQualifier().toString().contains(v4.toString());
+ assertTrue(inV1 || inV2 || inV4);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses one table with 10 split points each. It uses the
RandomVolumeChooser, but preferred volume is not an instance volume. This means
that the
+ // volume is chosen randomly from all instance volumes.
+ @Test(timeout = 60 * 1000)
+ public void notInstanceRandomVolumeChooser() throws Exception {
+ log.info("Starting notInstanceRandomVolumeChooser");
+
+ // Create and populate initial properties map for creating table 1
+ Map<String,String> properties = new HashMap<String,String>();
+ String propertyName = "table.custom.chooser";
+ String volume = "org.apache.accumulo.server.fs.RandomVolumeChooser";
+ properties.put(propertyName, volume);
+
+ properties.remove("table.custom.preferredVolumes");
+ propertyName = "table.custom.preferredVolumes";
+ volume = v3.toString();
+ properties.put(propertyName, volume);
+
+ // Create a table with the initial properties
+ Connector connector = getConnector();
+ String tableName = getUniqueNames(2)[0];
+ connector.tableOperations().create(tableName, true, TimeType.MILLIS,
properties);
+
+ // Add 10 splits to the table
+ SortedSet<Text> partitions = new TreeSet<Text>();
+ for (String s : "b,e,g,j,l,o,q,t,v,y".split(","))
+ partitions.add(new Text(s));
+ connector.tableOperations().addSplits(tableName, partitions);
+ // Write some data to the table
+ BatchWriter bw = connector.createBatchWriter(tableName, new
BatchWriterConfig());
+ String[] rows =
"a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",");
+ for (String s : rows) {
+ Mutation m = new Mutation(new Text(s));
+ m.put(EMPTY, EMPTY, EMPTY_VALUE);
+ bw.addMutation(m);
+ }
+ bw.close();
+ // Write the data to disk, read it back
+ connector.tableOperations().flush(tableName, null, null, true);
+ Scanner scanner = connector.createScanner(tableName,
Authorizations.EMPTY);
+ int i = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ assertEquals(rows[i++], entry.getKey().getRow().toString());
+ }
+
+ // Verify the new files are written to the Volumes specified
+ scanner = connector.createScanner(MetadataTable.NAME,
Authorizations.EMPTY);
+ scanner.setRange(new Range("1", "1<"));
+ scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
+ int fileCount = 0;
+ for (Entry<Key,Value> entry : scanner) {
+ boolean inV1 =
entry.getKey().getColumnQualifier().toString().contains(v1.toString());
+ boolean inV2 =
entry.getKey().getColumnQualifier().toString().contains(v2.toString());
+ boolean inV4 =
entry.getKey().getColumnQualifier().toString().contains(v4.toString());
+ assertTrue(inV1 || inV2 || inV4);
+ fileCount++;
+ }
+ assertEquals(11, fileCount);
+ }
+
+ // Test that uses one table with 10 split points each. It does not
specify a specific chooser, so the volume is chosen randomly from all instance
volumes.
+ @Test(timeout = 60 * 1000)
--- End diff --
Move test timeout to defaultTimeoutSeconds (Override-able from
AbstractMacIT) so it will use the timeout.factor scaling for slower hardware.
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